table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}
th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
}
th {
    background-color: #f2f2f2;
    text-align: center;
}
tr:nth-child(even) {
    background-color: #f9f9f9;
}
input[type="text"] {
    padding: 6px;
    margin-right: 5px;
    border: 1px solid #ccc;
    border-radius: 3px;
}
input[type="button"] {
    padding: 6px 12px;
    background-color: #4CAF50;
    border: none;
    color: white;
    border-radius: 3px;
    cursor: pointer;
}
input[type="button"]:hover {
    background-color: #45a049;
}